package fangfa;
//求长方形周长
public class test1 {
    public static void main(String[] args) {
         qwe(30,20);
    }
    public static void qwe (int num1 , int num2){
        int sum = num1*2 + num2*2;
        System.out.println("长方形的周长"+sum);
    }
}
